72435680

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3257}}^1$

素因数の和:3411

約数の個数: 48

約数和(自身を含む): 172413360

約数和(自身を除く): 99977680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 3257, 4448, 5560, 6514, 11120, 13028, 16285, 22240, 26056, 32570, 52112, 65140, 104224, 130280, 260560, 452723, 521120, 905446, 1810892, 2263615, 3621784, 4527230, 7243568, 9054460, 14487136, 18108920, 36217840, 72435680]

約数ペア:

[(1, 72435680), (2, 36217840), (4, 18108920), (5, 14487136), (8, 9054460), (10, 7243568), (16, 4527230), (20, 3621784), (32, 2263615), (40, 1810892), (80, 905446), (139, 521120), (160, 452723), (278, 260560), (556, 130280), (695, 104224), (1112, 65140), (1390, 52112), (2224, 32570), (2780, 26056), (3257, 22240), (4448, 16285), (5560, 13028), (6514, 11120)]